It is impossible to enjoy idling thoroughly unless one has plenty of work to do. There is no fun in doing nothing when you have nothing to do. Wasting time is merely an occupation then, and a most exhausting one. Idleness, like kisses, to be sweet must be stolen. - Jerome K. Jerome

Microsoft does not run out of teasing. There is ton of videos, see here, and here for example, screencasts, articles and blog posts (self-serving Microsoft blog posts mostly) about how much they are opening up. It boils down to the following, excerpt from Microsoft Office 12 introduction white paper :